.footer {
    ul {
        border-top: 0.1rem solid #ccc;
        width: 100%;
        height: 5rem;
        display: flex;
        justify-content: space-around;
        align-items: center;
        a {
            flex: 1;
            text-align: center;
        }
    }
}

.active {
    color: red;
    font-weight: bold;
}